#! /bin/sh -e

# DP: Two patches by Andreas Schwab to fix -fpic and loop optimization.
# DP: Another patch by Andreas Schwab to fix %a5 restauration in some cases.

if [ $# -eq 3 -a "$2" = '-d' ]; then
    pdir="-d $3"
elif [ $# -ne 1 ]; then
    echo >&2 "`basename $0`: script expects -patch|-unpatch as argument"
    exit 1
fi
case "$1" in
    -patch) patch $pdir -f --no-backup-if-mismatch -p0 < $0;;
    -unpatch) patch $pdir -f --no-backup-if-mismatch -R -p0 < $0;;
    *)
	echo >&2 "`basename $0`: script expects -patch|-unpatch as argument"
	exit 1
esac
exit 0

------------------------------------------------------------------------------
--- gcc/config/m68k/m68k.c~	Mon Aug  2 06:51:08 1999
+++ gcc/config/m68k/m68k.c	Fri Oct 22 11:47:09 1999
@@ -356,7 +356,7 @@
       mask &= ~ (1 << (15 - FRAME_POINTER_REGNUM));
       num_saved_regs--;
     }
-  if (flag_pic && regs_ever_live[PIC_OFFSET_TABLE_REGNUM])
+  if (flag_pic && current_function_uses_pic_offset_table)
     {
       mask |= 1 << (15 - PIC_OFFSET_TABLE_REGNUM);
       num_saved_regs++;
@@ -493,7 +493,10 @@
   for (regno = 0 ; regno < FIRST_PSEUDO_REGISTER ; regno++)
     if (regs_ever_live[regno] && ! call_used_regs[regno])
       return 0;
-  
+
+  if (flag_pic && current_function_uses_pic_offset_table)
+    return 0;
+
   return 1;
 }
 
@@ -568,7 +571,7 @@
         nregs++;
 	mask |= 1 << regno;
       }
-  if (flag_pic && regs_ever_live[PIC_OFFSET_TABLE_REGNUM])
+  if (flag_pic && current_function_uses_pic_offset_table)
     {
       nregs++;
       mask |= 1 << PIC_OFFSET_TABLE_REGNUM;
@@ -1334,8 +1337,6 @@
 			     gen_rtx_PLUS (Pmode,
 					   pic_offset_table_rtx, orig));
       current_function_uses_pic_offset_table = 1;
-      if (reload_in_progress)
-	regs_ever_live[PIC_OFFSET_TABLE_REGNUM] = 1;
       RTX_UNCHANGING_P (pic_ref) = 1;
       emit_move_insn (reg, pic_ref);
       return reg;